
import hashlib
import uuid
from django.conf import settings
def md5(str):
    '''MD5加密'''
    hash_obj = hashlib.md5(settings.SECRET_KEY.encode('utf-8'))
    hash_obj.update(str.encode('utf-8'))
    return hash_obj.hexdigest()

def uid(string):
    data = "{}-{}".format(str(uuid.uuid4()), string)
    return md5(data)
